University of Massachusetts Amherst

Professor Management at University of Massachusetts Amherst

Sloan School of Management

Professor of Operations Research at Sloan School of Management

USC Marshall School of Business

Professor Emeritus of Management and Organization at USC Marshall School of Business

The Robert H. Smith School of Business

Brookings Institution

Harris School of Public Policy

Edwin A. and Betty L. Bergman Distinguished Service Professor at Harris School of Public Policy

Nonresident Senior Fellow - Economic Studies at Brookings Institution

Sauder School of Business

Woodrow Wilson School of Public and International Affairs

Professor of Civil and Environmental Engineering and Public and International Affairs, Woodrow Wilson School, Faculty Chair, PhD Program at Woodrow Wilson School of Public and International Affairs

Carey Business School

Professor (Economics, Real Estate) at Carey Business School

Teachers College Columbia University

Professor of Education Leadership at Teachers College Columbia University

The Wharton School

The K.P. Chao Professor at The Wharton School